{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T12:31:47Z","timestamp":1778675507367,"version":"3.51.4"},"reference-count":27,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2023,2,15]],"date-time":"2023-02-15T00:00:00Z","timestamp":1676419200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,4,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Direct alcohol biomarkers are of growing interest for the assessment of alcohol consumption, with particular interest in phosphatidylethanol (PEth) in recent years. PEth is only formed when alcohol is present in the body. However, there is no statement about how much the PEth concentration increases after single moderate alcohol consumption. This study was conducted to determine the increase in PEth concentrations after a single drinking event. Additionally, a new volumetric sampling device (volumetric dried blood spot cards (DBSV)) was evaluated, which was designed to simplify further sampling processes and to allow for easy self-sampling. Dried blood samples from 31 volunteers were collected before and after single alcohol consumption with a mean maximum breath alcohol concentration of 0.4\u2009mg\/L (range: 0.30\u20130.55\u2009mg\/L). PEth concentrations were determined after automated extraction by liquid chromatography--tandem mass spectrometry. PEth 16:0\/18:1 and PEth 16:0\/18:2 concentrations increased to an average of 45\u2009ng\/mL each in patients starting below 20\u2009ng\/mL (range: 25.0\u201357.0\u2009ng\/mL for PEth 16:0\/18:1; range 26.8\u201362.3\u2009ng\/mL for PEth 16:0\/18:2). PEth concentrations in patients starting above 20\u2009ng\/mL increased by a mean of 30\u2009ng\/mL (range: 6.2\u201371.3\u2009ng\/mL for PEth 16:0\/18:1; range 8.8\u201365.3\u2009ng\/mL for PEth 16:0\/18:2). In addition, the comparison of the new sampling device DBSV with a standard filter paper card (with volumetrically applied 20\u2009\u00b5L of blood samples) yielded a close agreement for the determined PEth concentrations in 24 forensic samples and three external controls. Therefore, the sampling device DBSV proved to be suitable for the determination of PEth concentrations in blood.<\/jats:p>","DOI":"10.1093\/jat\/bkad009","type":"journal-article","created":{"date-parts":[[2023,2,14]],"date-time":"2023-02-14T16:36:54Z","timestamp":1676392614000},"page":"379-384","source":"Crossref","is-referenced-by-count":8,"title":["Increase of PEth after Single Consumption of Alcohol and Evaluation of a Volumetric DBS Filter Paper Device"],"prefix":"10.1093","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9270-0535","authenticated-orcid":false,"given":"Frederike","family":"St\u00f6th","sequence":"first","affiliation":[{"name":"Institute of Forensic Medicine, Forensic Toxicology and Chemistry, University of Bern , Murtenstrasse 26, 3008 Bern, Switzerland"},{"name":"Graduate School for Cellular and Biomedical Sciences, University of Bern , Mittelstrasse 43, 3012 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4523-2668","authenticated-orcid":false,"given":"Kevin","family":"Koch","sequence":"additional","affiliation":[{"name":"Institute of Technology Management, University of St. Gallen , Dufourstrasse 40a, 9000 St. Gallen, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9210-2802","authenticated-orcid":false,"given":"Matthias","family":"Bantle","sequence":"additional","affiliation":[{"name":"Institute of Forensic Medicine, Forensic Toxicology and Chemistry, University of Bern , Murtenstrasse 26, 3008 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8560-7263","authenticated-orcid":false,"given":"Philipp","family":"P\u00fctz","sequence":"additional","affiliation":[{"name":"Institute of Forensic Medicine, Medical Center, University of Freiburg , Albertstra\u00dfe 9, 79104 Freiburg, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5034-2023","authenticated-orcid":false,"given":"Felix","family":"Wortmann","sequence":"additional","affiliation":[{"name":"Institute of Technology Management, University of St. Gallen , Dufourstrasse 40a, 9000 St. Gallen, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8659-1304","authenticated-orcid":false,"given":"Wolfgang","family":"Weinmann","sequence":"additional","affiliation":[{"name":"Institute of Forensic Medicine, Forensic Toxicology and Chemistry, University of Bern , Murtenstrasse 26, 3008 Bern, Switzerland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2023,2,15]]},"reference":[{"key":"2023052507302057200_R1","doi-asserted-by":"crossref","first-page":"1800","DOI":"10.1002\/dta.3340","article-title":"Consensus for the use of the alcohol 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